Properties

Label 2-2e7-16.3-c4-0-7
Degree $2$
Conductor $128$
Sign $0.962 - 0.269i$
Analytic cond. $13.2313$
Root an. cond. $3.63749$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (7.86 − 7.86i)3-s + (−27.2 + 27.2i)5-s + 50.3·7-s − 42.8i·9-s + (53.1 + 53.1i)11-s + (125. + 125. i)13-s + 428. i·15-s + 286.·17-s + (99.5 − 99.5i)19-s + (395. − 395. i)21-s − 100.·23-s − 858. i·25-s + (300. + 300. i)27-s + (−343. − 343. i)29-s − 208. i·31-s + ⋯
L(s)  = 1  + (0.874 − 0.874i)3-s + (−1.08 + 1.08i)5-s + 1.02·7-s − 0.528i·9-s + (0.438 + 0.438i)11-s + (0.740 + 0.740i)13-s + 1.90i·15-s + 0.990·17-s + (0.275 − 0.275i)19-s + (0.897 − 0.897i)21-s − 0.189·23-s − 1.37i·25-s + (0.412 + 0.412i)27-s + (−0.408 − 0.408i)29-s − 0.216i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.962 - 0.269i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (0.962 - 0.269i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(128\)    =    \(2^{7}\)
Sign: $0.962 - 0.269i$
Analytic conductor: \(13.2313\)
Root analytic conductor: \(3.63749\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{128} (95, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 128,\ (\ :2),\ 0.962 - 0.269i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(2.27750 + 0.313204i\)
\(L(\frac12)\) \(\approx\) \(2.27750 + 0.313204i\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 + (-7.86 + 7.86i)T - 81iT^{2} \)
5 \( 1 + (27.2 - 27.2i)T - 625iT^{2} \)
7 \( 1 - 50.3T + 2.40e3T^{2} \)
11 \( 1 + (-53.1 - 53.1i)T + 1.46e4iT^{2} \)
13 \( 1 + (-125. - 125. i)T + 2.85e4iT^{2} \)
17 \( 1 - 286.T + 8.35e4T^{2} \)
19 \( 1 + (-99.5 + 99.5i)T - 1.30e5iT^{2} \)
23 \( 1 + 100.T + 2.79e5T^{2} \)
29 \( 1 + (343. + 343. i)T + 7.07e5iT^{2} \)
31 \( 1 + 208. iT - 9.23e5T^{2} \)
37 \( 1 + (-1.15e3 + 1.15e3i)T - 1.87e6iT^{2} \)
41 \( 1 - 2.33e3iT - 2.82e6T^{2} \)
43 \( 1 + (-2.07e3 - 2.07e3i)T + 3.41e6iT^{2} \)
47 \( 1 - 1.05e3iT - 4.87e6T^{2} \)
53 \( 1 + (2.13e3 - 2.13e3i)T - 7.89e6iT^{2} \)
59 \( 1 + (3.72e3 + 3.72e3i)T + 1.21e7iT^{2} \)
61 \( 1 + (2.49e3 + 2.49e3i)T + 1.38e7iT^{2} \)
67 \( 1 + (-329. + 329. i)T - 2.01e7iT^{2} \)
71 \( 1 + 1.04e3T + 2.54e7T^{2} \)
73 \( 1 + 2.67e3iT - 2.83e7T^{2} \)
79 \( 1 + 4.47e3iT - 3.89e7T^{2} \)
83 \( 1 + (1.45e3 - 1.45e3i)T - 4.74e7iT^{2} \)
89 \( 1 - 1.14e3iT - 6.27e7T^{2} \)
97 \( 1 + 1.31e4T + 8.85e7T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−12.67110585767264150551341597563, −11.55889263481542164305568208906, −10.98319509838007974019715513571, −9.312678928896310647958599017382, −7.84459903268413970253516108125, −7.70879105920290930392518146609, −6.42663011521799468072968649745, −4.31766659002725372850071687217, −3.00319673909414750526190464228, −1.52648888863007625973512056726, 1.05109660725596742076604051965, 3.42389428617203386380743228178, 4.27831375093785990041506684190, 5.47046716283818933730347659900, 7.74702028698925001548290022571, 8.403353208917993196833678672800, 9.127309200116131422096478597687, 10.48658896657570984053053469046, 11.61047937893821554236317372613, 12.46076993960826290331928403068

Graph of the $Z$-function along the critical line